package param_property;


class Girl2{	
}
class Dog2{
}

public class Boy2 {
	
	public void eat(Girl2 girl) {
		//和girl吃
	}
	public void movie(Girl2 girl) {
		//和girl看电影
	}
	public void play(Girl2 girl) {
		//和girl玩
	}
	public void walkDog(Dog2 dog) {
		//dog...
	}
	public void feedDog(Dog2 dog) {
		//dog...
	}
	
	public static void main(String[] args) {
		Boy2 b1 = new Boy2();
		Boy2 b2 = new Boy2();
	}
}
